| genus c | 21, orientable |
| Schläfli formula c | {16,3} |
| V / F / E c | 128 / 24 / 192 |
| notes |
|
| vertex, face multiplicity c | 1, 1 |
| 64, each with 6 edges | |
| rotational symmetry group | 384 elements. |
| full symmetry group | 768 elements. |
| its presentation c | < r, s, t | t2, s‑3, (sr)2, (st)2, (rt)2, (rs‑1r)3, r16 > |
| C&D number c | R21.1′ |
| The statistics marked c are from the published work of Professor Marston Conder. | |
It can be Eppstein tunnelled to give
List of regular maps in orientable genus 21.
| Orientable | |
| Non-orientable |